XML 78 R67.htm IDEA: XBRL DOCUMENT v3.7.0.1
Stockholders' Equity - Reconciliation of Retained Earnings (Detail) - USD ($)
$ in Millions
3 Months Ended
Jul. 28, 2017
Jul. 29, 2016
Retained Earnings Adjustments [Line Items]    
Beginning balance $ 40  
Net income 136 $ 64
Repurchases of common stock (150)  
Ending balance 10  
Retained Earnings    
Retained Earnings Adjustments [Line Items]    
Repurchases of common stock (112)  
Dividends $ (54)